Portable display device



FIG. 1 is a front perspective view of a portable display device showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a side view thereof;

FIG. 7 is another side view thereof;

FIG. 8 is an enlarged perspective view of a portion of FIG. 3;

FIG. 9 is an enlarged front view of a portion of FIG. 3; and,

FIG. 10 is an enlarged cross-sectional view of FIG. 9 taken along the line 10-10 of FIG. 9.

The dashed broken lines in the Figures show portions of the portable display device that form no part of the claimed design.

The shade lines in the Figures show contour and not surface ornamentation.

The dot-dash broken lines in the figures show boundaries that form no part of the claimed design. 

CLAIM The ornamental design for a portable display device, as shown and described. 